Tag Archives: Astronomy

Two of the most recognizable symbols of science are the telescope and the microscope. Everyone, whether interested in astronomy or not, has heard of the Hubble Space Telescope, but how many of us really know the significance of its contribution to science, astronomy in particular? Here are some facts about the Hubble Telescope that could light a spark in your imagination, and create an interest in discovering more about the stars.

The Hubble has dazzled us for nearly two decades with its astonishing images and exciting discoveries. The giant observatory, physically located on a spacecraft, has taken nearly 750,000 images over 17 years of operation in space. Originally launched into space on April 25, 1990, it’s been used by a large number of astronomers to explore the deepest reaches of the universe, as it orbits around the earth at the unimaginable speed of 5 miles per second.

The Space Telescope Science Institute has been charged with processing all of Hubble’s images. The Hubble was the first, and remains the flagship of, NASA’s Great Observatories program. It’s an asset to the entire nation, however there have been some issues. In June of the year it was launched, scientists identified an issue with Hubble’s primary mirror. The problem was quickly resolved, however other problems have surfaced throughout Hubble’s life.

Still, the Hubble Space Telescope, which first opened our eyes and imaginations to an awe-inspiring cosmos of colliding galaxies and star births, remains a valuable asset to astronomy even 20 years later. It remains so valuable that NASA continues to send missions to conduct upgrades and repairs on the telescope to this day, and future improvements are already being planned.

Despite the fact that the Hubble Space Telescope has not ceased to operate since 1990 and appears to be going strong, plans are being made to replace it. So many astronomers and amateurs have benefited from the Hubble, and more discoveries will continue to be made. Yet, all good things do eventually come to an end, and such will be the case with the Hubble. It’s not something that should upset you though, as something better is on the way.

Even though owning a space telescope like the Hubble is beyond the reach of most people, you can explore the stars from your own backyard with the purchase of an amateur telescope. When exploring your options, remember that aperture (light gathering capacity), quality, and accuracy of the optics are the most important attributes of a telescope, while portability and cost are its most important design criteria. Whether you ultimately choose to buy a reflecting or a refracting telescope, the most popular types, you’re sure to spend countless hours exploring the night sky.

People have shown interest in the stars for a very long time. That enduring passion is one of the many reasons that astronomy has maintained its popularity for such a long time. Many interests come and go, but people have been fascinated by astronomy for centuries.

Astronomy is about more than looking at the stars. This field actually involves the study of all kinds of celestial objects. Stars are studies, but comets, planets, and even galaxies are studied as well. Astronomy also looks at phenomena that occur outside of our planet’s atmosphere. Examples of this include cosmic background radiation and auroras.

Astronomy is directly related to many other fields of science. Evolution, chemistry, and physics are all related to astronomy. Scientists must look at various types of science in order to learn more about celestial objects and the universe that surrounds them. Astronomy is also used by a number of scientists in other fields. For example, a physicist may use astronomy when testing a fundamental theory. Astronomy and Astrophysics go hand in hand.

Astronomy isn’t something that is new or trendy; it’s actually one of the oldest branches of science. We can trace astronomers all the way back to ancient India and Greece. This has helped to give us the advanced observation techniques that we rely on today. Developments in astronomy haven’t just been made by experts. Amateurs have made a number of important contributions as well.

When the 20th century began, astronomy was split into two different fields. The two fields are theoretical astrophysics and observational astronomy. Theoretical physics relies primarily on data gathered through analytical models or computers. Observational data is based around gathering data and maintaining instruments that are capable of collecting that data. This field is also known as astrometry.

It’s common for people to mix up modern astronomy and astrology. However, the two subjects couldn’t be more different. Astrology isn’t science; it’s a belief system. It states that the positioning of celestial objects can impact our day-to-day lives. It’s essentially a form of fortune telling. While both fields look at the stars, only astronomy is founded in science. The two subjects are not related in any significant way.

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